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A026564 T(n,0) + T(n,1) + ... T(n,n), T given by A026552. 1
1, 2, 6, 11, 33, 64, 191, 376, 1122, 2222, 6636, 13180, 39395, 78373, 234414, 466840, 1397034, 2784266, 8335242, 16620976, 49773018, 99291358, 297406884, 593484440, 1777995535, 3548969075, 10633840743, 21230215328, 63620551947 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..28.

CROSSREFS

Cf. A026566.

Sequence in context: A135048 A189319 A268501 * A243794 A318199 A242791

Adjacent sequences:  A026561 A026562 A026563 * A026565 A026566 A026567

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified May 21 08:53 EDT 2019. Contains 323441 sequences. (Running on oeis4.)